<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2021-05-26
  Time: 09:23
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java"  session="false" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%--增加了request域对象：--%>${requestScope.count=100}
<%--修改request域对象：--%>${requestScope.count=200}
<%--删除request域对象：--%>${pageContext.request.removeAttribute("count")}
</body>
</html>
